Long Island Woman Gives Birth to Twin's Baby After Cancer Diagnosis

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A Long Island woman gave birth to her twin’s baby after a cancer diagnosis kept her sister from getting pregnant.

Dawn Ardolino-Policastro, of Mineola, gave birth to a healthy baby boy on Aug. 5, according to the Daily News.

Her twin sister, Allison Ardolino-Dinkelacker, learned she had stage 3 breast cancer six years ago while she was 30 weeks pregnant with her first child, the Daily News reports. She underwent chemotherapy and had an emergency C-section, leaving her with a healthy baby boy.

Although Ardolino-Dinkelacker is now cancer-free, her cancer was hormone-positive, meaning pregnancy hormones could cause new cancer cells to grow, according to the News. So when she and her husband wanted to add a second child to their family, they turned to her sister.